66328262527747 has 12 divisors (see below), whose sum is σ = 73096627887360. Its totient is φ = 60140983308560.

The previous prime is 66328262527697. The next prime is 66328262527771. The reversal of 66328262527747 is 74772526282366.

It is not a de Polignac number, because 66328262527747 - 2¹⁵ = 66328262494979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66328262527547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 715576972 + ... + 715669657.

It is an arithmetic number, because the mean of its divisors is an integer number (6091385657280).

Almost surely, 2^{66328262527747} is an apocalyptic number.

66328262527747 is a deficient number, since it is larger than the sum of its proper divisors (6768365359613).

66328262527747 is a wasteful number, since it uses less digits than its factorization.

66328262527747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431247034 (or 1431247023 counting only the distinct ones).

The product of its digits is 568995840, while the sum is 67.

The spelling of 66328262527747 in words is "sixty-six trillion, three hundred twenty-eight billion, two hundred sixty-two million, five hundred twenty-seven thousand, seven hundred forty-seven".